| Food/Drink Information
Shamrock Shakes are a popular seasonal milkshake sold during the months of February and March.
Chief Wiggum and Lou debate whether Shamrock Shakes are actually mint-flavored, or simply vanilla with green food coloring. Lou insists the chief only thinks he tastes the mint because the shake is green, "and your mind is playing tricks on you." Wiggum resents the suggestion.
During Springfield's first booze-free St. Patrick's Day celebrations, Mayor Quimby claims the Irish "gave the world the paddywagon, the Shamrock Shake, and folk-dancing where you don't move your arms."
- Episode – "Stop or My Dog Will Shoot!" (mentioned)
- Episode – "Sex, Pies and Idiot Scrapes" (mentioned)
- Episode – "Chief of Hearts" (mentioned)